eclipse中，项目有红叉之-Project configuration is not up-to-date with pom.xml. Select: Maven->Update Project... from the project context menu or use Quick Fix

1.问题：Project configuration is not up-to-date with pom.xml. Select: Maven->Update Project... from the project context menu or use Quick Fix

2.解决：项目配置不是最新的pom.xml文件。选择：Maven ->更新项目…从项目的上下文菜单或使用快速修复